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Sewage treatment plant (a type of wastewater treatment plant) in La Crosse, Wisconsin. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment.
Activated sludge tank at Beckton sewage treatment plant, UK.The white bubbles are due to the diffused air aeration system. The activated sludge process is a type of biological wastewater treatment process for treating sewage or industrial wastewaters using aeration and a biological floc composed of bacteria and protozoa.
Upflow anaerobic sludge blanket (UASB) technology, normally referred to as UASB reactor, is a form of anaerobic digester that is used for wastewater treatment.. The UASB reactor is a methanogenic (methane-producing) digester that evolved from the anaerobic clarigester.
An industrial wastewater treatment plant may include one or more of the following rather than the conventional treatment sequence of sewage treatment plants: An API oil-water separator, for removing separate phase oil from wastewater. [43]: 180 A clarifier, for removing solids from wastewater. [44]: 41–15
Schematic diagram of a typical rotating biological contactor (RBC). The treated effluent clarifier/settler is not included in the diagram. A rotating biological contactor or RBC is a biological fixed-film treatment process used in the secondary treatment of wastewater following primary treatment.
Schematic of the three main types of waste stabilization ponds (WSPs): (1) anaerobic, (2) facultative and (3) aerobic (maturation), each with different treatment and design characteristics [1] Waste stabilization ponds ( WSPs or stabilization ponds or waste stabilization lagoons ) are ponds designed and built for wastewater treatment to reduce ...
A schematic cross-section of the contact face of the bed of media in a trickling filter Broken trickling filter unit at the sewage treatment plant in Norton, Zimbabwe, showing importance of maintenance to prevent structural failure. Typically, settled sewage flow enters at a high level and flows through the primary settlement tank.
Schematic of a belt filter press to dewater sewage sludge. Filtrate is extracted initially by gravity, then by squeezing the cloth through rollers. Sludge treatment in the sewage treatment plant of Birsfelden, Germany. Mechanical dewatering (centrifuge) at a large sewage treatment plant (Arrudas Treatment Plant, Belo Horizonte, Brazil).